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Butyric anhydride

Also known as: Butanoic anhydride, Butyric anhydride, Butanoyl butanoate, Butyryl oxide, n-Butyric anhydride, Butyric acid anhydride, Butanoic acid anhydride, N-Butyric Anhydride, Butyranhydrid, Butanoicacidanhydride

Butyric anhydride (CAS 106-31-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O3 and a molecular weight of 158.195 g/mol. Key properties include a melting point of −75-−66 °C(lit.), a boiling point of 198.3±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 87.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
106-31-0
Jingsj CID
J-33122-1
Molecular Formula
C8H14O3
Molecular Weight
158.195 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−75-−66 °C(lit.)
Boiling Point198.3±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point87.8±0.0 °C
Exact Mass158.094299
PSA43.37000
LogP1.64
Additional Property5.45 (vs air)
Vapor Pressure0.4±0.4 mmHg at 25°C
Refractive Index1.421
Additional PropertyDecomposes

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Butyric anhydride?

The CAS number of Butyric anhydride is 106-31-0.

What are the molecular formula and molecular weight of Butyric anhydride?

Butyric anhydride has molecular formula C8H14O3 and molecular weight 158.195 g/mol.

Is Butyric anhydride hazardous?

Butyric anhydride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Butyric anhydride?

For Butyric anhydride, Upstream Products: Butyric acid, Butyraldehyde, Sodium butyrate; Downstream Products: 1-(5-Bromothien-2-yl)butan-1-one, N-Benzylbutyramide, (R)-Glycidyl butyrate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Butyric anhydride (CAS 106-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33122-1 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.